Solve the problem. Round your result to an appropriate number of significant digits.On a cloudy day, Sun Woo needed to know the height of a window in a building. Sun Woo positioned a mirror on the ground between himself and the building so that when he looked in the mirror, he saw the window. If the mirror was 19.43 cm from his feet and 34.69 m from the base of the building and Sun Woo's eye was 1.83 m above the ground, how high up on the building was the window located? Round to the nearest unit.
A. 102 m
B. 327 m
C. 1.02 m
D. 3.27 m
Answer: B
Mathematics
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Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = ex+3x2 - 4y2 = 11
A. x = -3.52, y = 0.59 B. x = 2.75, y = 1.28 C. x = 2.75, y = -1.28 D. x = 1.04, y = -0.14; x = 3.52, y = -1.69
Mathematics
Find the domain and range for the function.
A. D: {-4, -3, 0, 1, 2, 3}; R: {-5, -2,3, 5} B. D: {-4, -3, 1, 2, 3}; R: {-5, -2,3, 5} C. D: {-5, -2,3, 5}; R: {-4, -3, 1, 2, 3} D. D: {-5, -2,3, 5}; R: {-4, -3, 0, 1, 2, 3}
Mathematics
Find an equivalent equation in polar coordinates.x2 + y2= 169
A. r = 169 B. r = 13 sin ? C. r = 13 D. r = 13 cos ?
Mathematics
?Find the radius of convergence of the series 
.
?
A. ?1 B. ?2 C. ?3 D. ?7 E. ?9
Mathematics